Merge branch 'develop' of https://github.com/element-hq/matrix-react-sdk into langleyd/mobile_registeration

src/i18n/strings/en_EN.json

@@ -370,6 +370,8 @@
             "email_resend_prompt": "Did not receive it? <a>Resend it</a>",
             "email_resent": "Resent!",
             "fallback_button": "Start authentication",
+            "mas_cross_signing_reset_cta": "Go to your account",
+            "mas_cross_signing_reset_description": "Reset your identity through your account provider and then come back and click “Retry”.",
             "msisdn": "A text message has been sent to %(msisdn)s",
             "msisdn_token_incorrect": "Token incorrect",
             "msisdn_token_prompt": "Please enter the code it contains:",

src/i18n/strings/pl.json

@@ -1968,8 +1968,6 @@
                 "few": "%(count)s osoby proszą o dołączenie",
                 "many": "%(count)s osób prosi o dołączenie"
             },
-            "release_announcement_description": "Ciesz się prostszym, bardziej przystosowanym nagłówkiem pokoju.",
-            "release_announcement_header": "Nowy design!",
             "room_is_public": "Ten pokój jest publiczny",
             "show_widgets_button": "Pokaż widżety",
             "video_call_button_ec": "Rozmowa wideo (%(brand)s)",